======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '341'
                                          'artist'  'Guano Apes'
                                     'text_people'  ''
                                         'release'  "Don't Give Me Names"
                                           'title'  'Anne Claire'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-gr-alt;set-pl-mor'
                                             'bpm'  '107.378'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     "Don't Give Me Names"
'TBPM' (BPM (beats per minute))                     '107.378'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-alt', 'set-pl-mor']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Anne Claire'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Guano Apes'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.11 dB'
'TXXX:replaygain_track_peak'                        '0.535667'

========================== row from database ==========================
                                              'id'  1532803
                                            'path'  /data/Music/Bulk/00poprockelectronic/Guano Apes/Don_t Give Me Names/MBZ;#Guano Apes;#Don_t Give Me Names;#12;#Anne Claire.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  341
                                           'genre'  rock-gr-alt;set-pl-mor
                                        'filesize'  5465916
                                           'mtime'  1636902904
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Don_t MBZ;#Guano Apes;#Don_t Names;#12;#Anne rock gr alt;set pl mor
                                      'tag_artist'  Guano Apes
                                     'tag_release'  Don't Give Me Names
                                       'tag_title'  Anne Claire
                                             'bpm'  107.378
                                    'search_title'  'anne':1 'claire':2
                                   'search_artist'  'apes':2 'guano':1
                                  'search_release'  'don':1 'dont':3 'give':4 'me':5 'names':6 't':2
                                     'search_rest'  '00poprockelectronic':1 '12':15,18 'alt':22,24 'anne':16,19 'apes':8,11 'don':2,9,12 'gr':21 'guano':5,7 'mbz':4,6 'mor':27 'names':14,17 'pl':26 'rock':20 'set':23,25 't':3,10,13
                                    'search_combo'  '00poprockelectronic':11 '12':25,28 'alt':32,34 'anne':1A,26,29 'apes':4B,18,21 'claire':2A 'don':5C,12,19,22 'dont':7C 'give':8C 'gr':31 'guano':3B,15,17 'mbz':14,16 'me':9C 'mor':37 'names':10C,24,27 'pl':36 'rock':30 'set':33,35 't':6C,13,20,23
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'female vocalists', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636902903.9333324  (2021-11-14 16:15:03)
                             'size'  5465916